package com.chen.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
@SuppressWarnings("all")
public class ShiroConfig {

    //ShiroFilterFactoryBean  授权
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager defaultWebSecurityManager) {
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);

        //添加shiro内置过滤器
        /*anon:无需认证就可以访问
        authc:必须认证了才能让问
        user:必须拥有记住我功能才能用
        perms:拥有某个资源的权限才能访问
        role:拥有某个角色才能访问*/
        Map<String, String> filterMap = new LinkedHashMap<>();
        //filterMap.put("/user/add","authc"); //这个路径所有人都可以访问
        //filterMap.put("/user/update","authc"); //这个路径所有人都可以访问

        //授权
        filterMap.put("/user/add", "perms[user:add]");
        filterMap.put("/user/update", "perms[user:update]");

        filterMap.put("/user/*", "authc");  //通配符


        bean.setFilterChainDefinitionMap(filterMap);

        //设置登录页面
        bean.setLoginUrl("/toLogin");
        //设置未授权的请求
        bean.setUnauthorizedUrl("/noauth");
        return bean;
    }


    //DefaultWebSecurityManager  指定一个名字
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm) {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //关联Realm
        securityManager.setRealm(userRealm);
        return securityManager;
    }


    //创建realm对象  被spring托管了  认证
    @Bean
    public UserRealm userRealm() {
        return new UserRealm();
    }
    //整合shirodialect
    @Bean
    public ShiroDialect getShiroDialect(){
        return new ShiroDialect();
    }

}
